<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0, user-scalable=0">
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  <link rel="icon" href="data:;base64,=">
  <title>Document</title>
  </head>
  <style>
    .ipt{
         width:300px;
         height:32px;
         padding:0 6px;
         background-color: azure;
         border-radius:4px;
    }
  </style>
<body>
<!--  -->
    <input type="text" class="ipt" e-change="value">


</body>
</html>
<script src="../../utils_eng/eng3.0.js"></script>
<script>
  
   new Eng({
       el:document.getElementsByClassName('ipt')[0],
       data:{
          value:'haha',  
       }
   })

</script>